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Low-Temperature Cathodoluminescence Investigations of High-Quality Zinc Oxide Nanorods

  • Bartlomiej S. Witkowski (a1), Lukasz Wachnicki (a1), Sylwia Gieraltowska (a1), Anna Reszka (a1), Bogdan J. Kowalski (a1) and Marek Godlewski (a1) (a2)...


We present results of cathodoluminescence (CL) investigations of high-quality zinc oxide (ZnO) nanorods obtained by an extremely fast hydrothermal method on a silicon substrate. A scanning electron microscopy (SEM) system equipped with CL allows direct comparison of SEM images and CL maps, taken from exactly the same areas of samples. Investigations are performed at a temperature of 5 K. An interlink between sample microstructure and emission properties is investigated. CL confirms a very high quality of ZnO nanorods produced by our method. In addition, the presence of super radiation effects in ZnO nanorod arrays is suggested.


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Low-Temperature Cathodoluminescence Investigations of High-Quality Zinc Oxide Nanorods

  • Bartlomiej S. Witkowski (a1), Lukasz Wachnicki (a1), Sylwia Gieraltowska (a1), Anna Reszka (a1), Bogdan J. Kowalski (a1) and Marek Godlewski (a1) (a2)...


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